<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>我是一个html文件</title>
</head>
<body>
   hello，html; 
   <h1>我是一级标题</h1>
   <h2>我是二级标题</h2>
   <h3>我是三级标题</h3>
   <h4>我是四级标题</h4>
   <h5>我是五级标题</h5>
   <h6>我是六级标题</h6>
   <p>Lorem ipsum dolor sit amet consectetur, adipisicing elit. Assumenda, dolores? Illum sapiente illo voluptates vitae, explicabo sed nesciunt quod quis temporibus non ducimus quia fuga, odio deserunt iure praesentium doloremque?</p>
   <p>这是一个段落</p>
   这是一个换行<br/>
   这是一个换行<br/>

</body>
</html>
